@article{VMUMM_1986_2_a3,
     author = {K. Kh. Boimatov and A. G. Kostyuchenko},
     title = {The effect of lowest coefficients of an elliptic differential operator on the spectral function},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {15--23},
     publisher = {mathdoc},
     number = {2},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1986_2_a3/}
}